Deployment Guide

1476 | Time and Network Time Protocol (NTP)
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ntp trusted-key
c e s
Set a key to authenticate the system to which NTP will synchronize.
Syntax
ntp trusted-key number
To delete the key, use the no ntp trusted-key number command.
Parameters
Defaults
Not configured.
Command Modes
CONFIGURATION
Command
History
Usage
Information
The number parameter in the ntp trusted-key command must be the same number as the number
parameter in the ntp authentication-key command. If you change the ntp authentication-key command,
you must also change the ntp trusted-key command.
Related
Commands
ntp update-calendar
c e s
Configure the FTOS to update the calendar (the hardware clock) with the NTP-derived time.
Syntax
ntp update-calendar [minutes]
To return to default setting, enter no ntp update-calendar.
Parameters
Defaults
Not enabled.
Command Modes
CONFIGURATION
Command
History
number
Enter a number as the trusted key ID.
Range: 1 to 4294967295.
Version 7.6.1.0 Support added for S-Series
Version 7.5.1.0 Support added for C-Series
pre-Version 6.1.1.0 Introduced for E-Series
ntp authentication-key Set an authentication key for NTP.
ntp authenticate Enable the NTP authentication parameters you set.
minutes
(OPTIONAL) Enter the number of minutes between updates from NTP to the hardware
clock.
Range: 1 to 1440.
Default: 60 minutes.
Version 7.6.1.0 Support added for S-Series
Version 7.5.1.0 Support added for C-Series
pre-Version 6.1.1.0 Introduced for E-Series